\begin{table}[htbp]\centering
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\caption{Cross-Candidate Communication, Affective Polarization (Traits) and In-Party Candidate Support\label{tab:ccXaptcov}}
\begin{tabular}{l*{3}{c}}
\hline\hline
                &\multicolumn{1}{c}{(1)}   &\multicolumn{1}{c}{(2)}   &\multicolumn{1}{c}{(3)}   \\
                &In-Group Affect   &Out-Group Affect   &Difference   \\
                &      b/p   &      b/p   &      b/p   \\
\hline
Candidate Support&            &            &            \\
RCV Comp.       &    0.291   &    1.063   &    0.150   \\
                &  (0.663)   &  (0.297)   &  (0.424)   \\
RCV Comp. + Endorse&   -1.652** &    0.345   &   -0.739***\\
                &  (0.006)   &  (0.699)   &  (0.000)   \\
Out Traits      &    2.117*  &            &            \\
                &  (0.039)   &            &            \\
RCV Comp. x Out Traits&   -0.358   &            &            \\
                &  (0.796)   &            &            \\
RCV Comp. + Endorse x Out Traits&    1.471   &            &            \\
                &  (0.237)   &            &            \\
In Traits       &            &    1.906   &            \\
                &            &  (0.118)   &            \\
RCV Comp. x In Traits&            &   -1.709   &            \\
                &            &  (0.338)   &            \\
RCV Comp. + Endorse x In Traits&            &   -2.304   &            \\
                &            &  (0.140)   &            \\
Diff. Traits    &            &            &   -0.772   \\
                &            &            &  (0.376)   \\
RCV Comp. x Diff. Traits&            &            &   -0.426   \\
                &            &            &  (0.713)   \\
RCV Comp. + Endorse x Diff. Traits&            &            &   -2.250*  \\
                &            &            &  (0.034)   \\
Age             &    0.009*  &    0.009*  &    0.009*  \\
                &  (0.036)   &  (0.044)   &  (0.036)   \\
Female          &   -0.025   &   -0.014   &   -0.021   \\
                &  (0.825)   &  (0.904)   &  (0.850)   \\
Education       &    0.151***&    0.172***&    0.165***\\
                &  (0.000)   &  (0.000)   &  (0.000)   \\
White           &    0.238   &    0.163   &    0.212   \\
                &  (0.071)   &  (0.208)   &  (0.106)   \\
Liberal         &    0.319   &    0.033   &    0.344   \\
                &  (0.235)   &  (0.897)   &  (0.202)   \\
Demcorat        &    0.969** &    1.022** &    1.012** \\
                &  (0.005)   &  (0.002)   &  (0.003)   \\
Republican      &    0.991** &    1.103** &    1.105** \\
                &  (0.007)   &  (0.002)   &  (0.002)   \\
Constant        &   -1.343*  &   -1.324   &   -0.368   \\
                &  (0.047)   &  (0.091)   &  (0.386)   \\
\hline
Psuedo R$^2$    &     0.06   &     0.05   &     0.06   \\
\textit{N}      &     2235   &     2235   &     2235   \\
\hline\hline
\end{tabular}
\end{table}
